Category | Train | Test | Total | Vocabulary |
religion | 1079 | 717 | 1796 | 18,707 |
computer | 1168 | 777 | 1945 | 17,128 |
science | 1187 | 790 | 1977 | 24,398 |
sport | 1197 | 796 | 1993 | 20,932 |